20877208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 43053120

約数和(自身を除く): 22175912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1811, 2882, 3622, 5764, 7244, 11528, 14488, 19921, 39842, 79684, 159368, 237241, 474482, 948964, 1897928, 2609651, 5219302, 10438604, 20877208]

約数ペア:

[(1, 20877208), (2, 10438604), (4, 5219302), (8, 2609651), (11, 1897928), (22, 948964), (44, 474482), (88, 237241), (131, 159368), (262, 79684), (524, 39842), (1048, 19921), (1441, 14488), (1811, 11528), (2882, 7244), (3622, 5764)]